1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
|
/*
ChibiOS/RT - Copyright (C) 2006-2007 Giovanni Di Sirio.
This file is part of ChibiOS/RT.
ChibiOS/RT is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
ChibiOS/RT is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include <ch.h>
#include "test.h"
#ifdef CH_USE_MUTEXES
#define ALLOWED_DELAY 5
static Mutex m1, m2;
static char *mtx1_gettest(void) {
return "Mutexes, priority enqueuing test";
}
static void mtx1_setup(void) {
chMtxInit(&m1);
}
static void mtx1_teardown(void) {
}
static msg_t thread1(void *p) {
chMtxLock(&m1);
test_emit_token(*(char *)p);
chMtxUnlock();
return 0;
}
static void mtx1_execute(void) {
tprio_t prio = chThdGetPriority(); // Bacause priority inheritance.
chMtxLock(&m1);
threads[0] = chThdCreate(prio+1, 0, wa[0], STKSIZE, thread1, "E");
threads[1] = chThdCreate(prio+2, 0, wa[1], STKSIZE, thread1, "D");
threads[2] = chThdCreate(prio+3, 0, wa[2], STKSIZE, thread1, "C");
threads[3] = chThdCreate(prio+4, 0, wa[3], STKSIZE, thread1, "B");
threads[4] = chThdCreate(prio+5, 0, wa[4], STKSIZE, thread1, "A");
chMtxUnlock();
test_assert(prio == chThdGetPriority(), "priority return failure");
test_wait_threads();
test_assert_sequence("ABCDE");
}
const struct testcase testmtx1 = {
mtx1_gettest,
mtx1_setup,
mtx1_teardown,
mtx1_execute
};
static char *mtx2_gettest(void) {
return "Mutexes, priority inheritance, simple case";
}
static void mtx2_setup(void) {
chMtxInit(&m1);
}
static void mtx2_teardown(void) {
}
static msg_t thread2(void *p) {
chThdSleep(5);
chMtxLock(&m1);
chMtxUnlock();
test_emit_token(*(char *)p);
return 0;
}
static msg_t thread3(void *p) {
chMtxLock(&m1);
chThdSleep(20);
chMtxUnlock();
test_emit_token(*(char *)p);
return 0;
}
static msg_t thread4(void *p) {
chThdSleep(10);
test_cpu_pulse(50);
test_emit_token(*(char *)p);
return 0;
}
/*
* Time
* 0 ++++++++++++++++++AL+....2++++++++++++++AU0------------------------------
* 1 .....................++--------------------------------------------------
* 2 .......................++AL.............+++++++++AU++++++++++++++++++++++
*/
static void mtx2_execute(void) {
threads[0] = chThdCreate(chThdGetPriority()-1, 0, wa[0], STKSIZE, thread2, "A");
threads[1] = chThdCreate(chThdGetPriority()-3, 0, wa[1], STKSIZE, thread3, "C");
threads[2] = chThdCreate(chThdGetPriority()-2, 0, wa[2], STKSIZE, thread4, "B");
test_wait_threads();
test_assert_sequence("ABC");
}
const struct testcase testmtx2 = {
mtx2_gettest,
mtx2_setup,
mtx2_teardown,
mtx2_execute
};
static char *mtx3_gettest(void) {
return "Mutexes, priority inheritance, complex case";
}
static void mtx3_setup(void) {
chMtxInit(&m1);
chMtxInit(&m2);
}
static void mtx3_teardown(void) {
}
static msg_t thread5(void *p) {
chMtxLock(&m1);
test_cpu_pulse(50);
chMtxUnlock();
test_emit_token(*(char *)p);
return 0;
}
static msg_t thread6(void *p) {
chThdSleep(10);
chMtxLock(&m2);
test_cpu_pulse(20);
chMtxLock(&m1);
test_cpu_pulse(50);
chMtxUnlock();
test_cpu_pulse(20);
chMtxUnlock();
test_emit_token(*(char *)p);
return 0;
}
static msg_t thread7(void *p) {
chThdSleep(20);
chMtxLock(&m2);
test_cpu_pulse(50);
chMtxUnlock();
test_emit_token(*(char *)p);
return 0;
}
static msg_t thread8(void *p) {
chThdSleep(40);
test_cpu_pulse(200);
test_emit_token(*(char *)p);
return 0;
}
static msg_t thread9(void *p) {
chThdSleep(50);
chMtxLock(&m2);
test_cpu_pulse(50);
chMtxUnlock();
test_emit_token(*(char *)p);
return 0;
}
/*
* Time 0 10 20 30 40 50
* 0 +++BL++------------------2++++------4+++++BU0--------------------------
* 1 .......++AL++--2+++++++++BL.........4.....++++++++BU4++++AU1-----------
* 2 .............++AL............................................------++AU
* 3 ..............................++++-------------------------------++....
* 4 ..................................++AL...................++++AU++......
*/
static void mtx3_execute(void) {
threads[0] = chThdCreate(chThdGetPriority()-5, 0, wa[0], STKSIZE, thread5, "E");
threads[1] = chThdCreate(chThdGetPriority()-4, 0, wa[1], STKSIZE, thread6, "D");
threads[2] = chThdCreate(chThdGetPriority()-3, 0, wa[2], STKSIZE, thread7, "C");
threads[3] = chThdCreate(chThdGetPriority()-2, 0, wa[3], STKSIZE, thread8, "B");
threads[4] = chThdCreate(chThdGetPriority()-1, 0, wa[4], STKSIZE, thread9, "A");
test_wait_threads();
test_assert_sequence("ABCDE");
}
const struct testcase testmtx3 = {
mtx3_gettest,
mtx3_setup,
mtx3_teardown,
mtx3_execute
};
#endif /* CH_USE_MUTEXES */
|
